POLYPHAGOUS SHOT HOLE BORER IN SOUTH AFRICA (Euwallaceae whitfordiodendron): Nobody knows where this beetle comes from. It carries a fungus with it (Fusarium euwallaceae) that grows in the cambium and phloem layers of the tree. The cambium and phloem which carries nutrients from the roots to the leaves and vice versa, gets blocked with the fungus, and the tree dies
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